e-commerce help which one???

undefinedundefined hi i just registered to this website for some e-commerce help, i have been looking for a shopping cart package and have come across the 2 most cheapest e-commerce companies which i am quite confused about the 1st one www.kynet.co.uk seems like one of the cheapest but then i came across www.oneandone.co.uk which was much cheaper im just wandering if anyone can help me out and let me know the differences between the site and which one is better and why?????????? thanks bye bye.